Chrysoprase 12-18mm round beads (ETB01326) Leopardskin Rhyolite Cacoxenite forms within crystal or

Cacoxenite forms within crystal or amethyst as an inclusion

Thundereggs usually look like ordinary rocks on the outside

it is just an approximation

Carnelian (also spelled cornelian) is a brownish-red mineral which is commonly used as a semi-precious gemstone

This stone is a lovely mix of mottled sand

Chrysoprase 12-18mm round beads (ETB01326) Leopardskin Rhyolite Cacoxenite forms within crystal orChrysoprase chrysoprase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel. Its color is normally apple green, but varies to deep green. The darker varieties of chrysoprase are also referred to as prase. (However, the term prase is also used to describe chlorite included quartz, and to a certain extent is a color descriptor, rather than a rigorously defined mineral